Adapter



FIG. 1 is a top, front, and right side perspective view of an adapter of our design;

FIG. 2 is a top and rear perspective view thereof;

FIG. 3 is a top, rear, and right side perspective view thereof;

FIG. 4 is a bottom, front, and left side perspective view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a front view thereof; and,

FIG. 10 is a rear view thereof.

The broken lines illustrate portions of the adapter that form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 